Not only has that been said here, it's the truth. For the average Jamaican, there will never be a need to go to the airport as they will never have the chance to leave the island on a plane.
What you take for granted is nothing but an impossible dream for the average Jamaican.
The local route taxi system is the only way the average Jamaican can afford to get to work or go shopping. It was not designed with tourists in mind.